Low range clutch solenoid coil or its wiring shorted to power
Electro Hydraulic Remote top link switch is stuck on.
Blower speed select pot open/shorted to power
Low range clutch solenoid coil or its wiring shorted to power
Partial frosting and sweating of lines combined with poor cooling, fan belt slipping, loss of refrigerant, restricted or clogged liquid line or expansion valve malfunctioning.